# Ex 3.2, 3 (i) - Chapter 3 Class 12 Matrices (Term 1)

Last updated at Aug. 16, 2021 by Teachoo

Last updated at Aug. 16, 2021 by Teachoo

Transcript

Ex 3.2, 3 Compute the indicated products (i)[■8(a&b@−b&a)] [■8(a&−b@b&a)] [■8(𝑎&𝑏@−𝑏&𝑎)]_"2 × 2" [■8(𝑎&−𝑏@𝑏&𝑎)]_"2 × 2" = [■8( 𝑎 × 𝑎+𝑏 × 𝑏&𝑎 × (−𝑏)+𝑏 × 𝑎@−𝑏 × 𝑎+𝑎 × 𝑏&(−𝑏) × (−𝑏)+𝑎 × 𝑎)]_(2 × 2) = [■8(𝑎2+𝑏2&−𝑎𝑏+𝑎𝑏@−𝑎𝑏+𝑎𝑏&𝑏2+𝑎2)] = [■8(𝑎2+𝑏2&0@0&𝑏2+𝑎2)]

Ex 3.2

Ex 3.2, 1

Ex 3.2, 2 (i)

Ex 3.2, 2 (ii) Important

Ex 3.2, 2 (iii)

Ex 3.2, 2 (iv)

Ex 3.2, 3 (i) You are here

Ex 3.2, 3 (ii) Important

Ex 3.2, 3 (iii)

Ex 3.2, 3 (iv) Important

Ex 3.2, 3 (v)

Ex 3.2, 3 (vi) Important

Ex 3.2, 4

Ex 3.2, 5

Ex 3.2, 6

Ex 3.2, 7 (i)

Ex 3.2, 7 (ii) Important

Ex 3.2, 8

Ex 3.2, 9

Ex 3.2, 10

Ex 3.2, 11

Ex 3.2, 12 Important

Ex 3.2, 13 Important

Ex 3.2, 14

Ex 3.2, 15

Ex 3.2, 16 Important

Ex 3.2, 17 Important

Ex 3.2, 18

Ex 3.2, 19 Important

Ex 3.2, 20 Important

Ex 3.2, 21 (MCQ) Important

Ex 3.2, 22 (MCQ) Important

Chapter 3 Class 12 Matrices (Term 1)

Serial order wise

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.